Learn about the scientific hypotheses of the origin of life on Earth. [5:55]

Learn about the RNA world hypothesis through short animations, informational text, and interactive questions in this virtual lab.

Recognize that some people believe that life on Earth came from outer space. Learn about the support for these ideas and what could happen if life would continue to arrive from space.

Through full-color images and concise information, learn about the origin of cells. Discover some of the notable studies surrounding the history of life on Earth.

[Free Registration/Login may be required to access all resource tools.] Examines how the first organic molecules were formed.